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Add convenience methods for database versioning
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bc284a0717
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@ -36,8 +36,6 @@ import java.util.UUID;
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import com.zaxxer.hikari.HikariDataSource;
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import com.zaxxer.hikari.HikariDataSource;
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public abstract class Database {
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public abstract class Database {
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private static final int DATABASE_VERSION = 2;
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private final Set<String> notFoundWorlds = new HashSet<>();
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private final Set<String> notFoundWorlds = new HashSet<>();
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private final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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private final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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@ -65,9 +63,30 @@ public abstract class Database {
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abstract String getQueryGetTable();
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abstract String getQueryGetTable();
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private int getDatabaseVersion() throws SQLException {
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try (Connection con = dataSource.getConnection()) {
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try (Statement s = con.createStatement()) {
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ResultSet rs = s.executeQuery("SELECT value FROM " + tableFields + " WHERE field='version'");
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if (rs.next()) {
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return rs.getInt("value");
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}
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}
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}
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return 0;
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}
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private void setDatabaseVersion(int version) throws SQLException {
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String queryUpdateVersion = "REPLACE INTO " + tableFields + " VALUES ('version', ?)";
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try (Connection con = dataSource.getConnection()) {
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try (PreparedStatement ps = con.prepareStatement(queryUpdateVersion)) {
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ps.setInt(1, version);
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ps.executeUpdate();
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}
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}
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}
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private boolean update() throws SQLException {
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private boolean update() throws SQLException {
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String queryGetTable = getQueryGetTable();
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String queryGetTable = getQueryGetTable();
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String queryUpdateVersion = "REPLACE INTO " + tableFields + " VALUES ('version', ?)";
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try (Connection con = dataSource.getConnection()) {
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try (Connection con = dataSource.getConnection()) {
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boolean needsUpdate1 = false; // update "shop_log" to "economy_logs" and update "shops" with prefixes
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boolean needsUpdate1 = false; // update "shop_log" to "economy_logs" and update "shops" with prefixes
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@ -191,15 +210,22 @@ public abstract class Database {
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try (Statement s = con.createStatement()) {
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try (Statement s = con.createStatement()) {
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s.executeUpdate(getQueryCreateTableFields());
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s.executeUpdate(getQueryCreateTableFields());
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}
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}
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setDatabaseVersion(2);
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}
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}
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// Set database version
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int databaseVersion = getDatabaseVersion();
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try (PreparedStatement ps = con.prepareStatement(queryUpdateVersion)) {
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ps.setInt(1, DATABASE_VERSION);
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if (databaseVersion < 3) {
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ps.executeUpdate();
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// plugin.getLogger().info("Updating database... (#3)");
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// Update database structure...
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// setDatabaseVersion(3);
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}
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}
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return needsUpdate1 || needsUpdate2;
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int newDatabaseVersion = getDatabaseVersion();
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return needsUpdate1 || needsUpdate2 || newDatabaseVersion > databaseVersion;
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}
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}
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}
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}
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